Montana · Granite County
Unknown
Dewey Mine
Granite County, Montana, United States
Gold
Silver
Copper
⌖ Show on map
USGS source ↗
Commodities
Primary
Gold
Tertiary
Silver, Copper
Commodity type
M
Economic & production
Development status
Unknown
Identification
Deposit ID
10294234
Region
NA
Data score
D
Coordinates
46.82709, -113.34403
References
USGS BULL. 660, 1918 P.178MBM G MEM 20, 1940 P.31